18749070

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 80

約数和(自身を含む): 51226560

約数和(自身を除く): 32477490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 293, 395, 405, 474, 586, 711, 790, 810, 879, 1185, 1422, 1465, 1758, 2133, 2370, 2637, 2930, 3555, 4266, 4395, 5274, 6399, 7110, 7911, 8790, 10665, 12798, 13185, 15822, 21330, 23147, 23733, 26370, 31995, 39555, 46294, 47466, 63990, 69441, 79110, 115735, 118665, 138882, 208323, 231470, 237330, 347205, 416646, 624969, 694410, 1041615, 1249938, 1874907, 2083230, 3124845, 3749814, 6249690, 9374535, 18749070]

約数ペア:

[(1, 18749070), (2, 9374535), (3, 6249690), (5, 3749814), (6, 3124845), (9, 2083230), (10, 1874907), (15, 1249938), (18, 1041615), (27, 694410), (30, 624969), (45, 416646), (54, 347205), (79, 237330), (81, 231470), (90, 208323), (135, 138882), (158, 118665), (162, 115735), (237, 79110), (270, 69441), (293, 63990), (395, 47466), (405, 46294), (474, 39555), (586, 31995), (711, 26370), (790, 23733), (810, 23147), (879, 21330), (1185, 15822), (1422, 13185), (1465, 12798), (1758, 10665), (2133, 8790), (2370, 7911), (2637, 7110), (2930, 6399), (3555, 5274), (4266, 4395)]